The Air Force grounded 60 C-130H Hercules aircraft after a review found their pre-1971 propeller blades could be susceptible to dangerous cracking. Five of those C-130s have had their blades replaced and returned to flying status.

After years of T-6 hypoxia scares the Air Force thinks it has the fix with a completely redesigned On-Board Oxygen System that takes design ideas from the F-15E Strike Eagle, in which hypoxia is virtually unheard of, and from the A-10 Warthog.

Acting DefSec Patrick Shanahan’s remarks during his 18 months at the Pentagon have spurred accusations that he is boosting his former employer Boeing, fueling questions about whether he harbors a bias against other big military contractors.

With a special caveat to discuss border security later, House Democrats open the new session of Congress today with the goal of ending the government shutdown and reinstating a 1.9 percent federal pay raise Trump rescinded late last year.

The Pentagon said it was grounding its fleet of F-35s, just days after the first crash of an F-35B led investigators to suspect there is a problem with the jet’s fuel tubes. Most of the US’ international partners have followed suit.